The eccentricity is given of a conic section with one focus at the origin, along with the directrix corresponding to that focus. Find a polar equation for the conic section. e = 2, y = 10
A. r = 
B. r = 
C. r = 
D. r = 
Answer: A
Mathematics
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Express the number in decimal notation.7 × 10-7
A. 0.0000007 B. -700,000 C. 0.00000007 D. 0.000007
Mathematics
Solve the system of equations by elimination.
A. x = -3, y = 10; (-3, 10) B. x = 10, y = -3; (10, -3) C. x = -10, y = 3; (-10, 3) D. x = 3, y = -10; (3, -10)
Mathematics
Solve the quadratic equation by the method of your choice.3x2 = 4x + 7
A. 
B. 
C. 
D. 
Mathematics
Find the specified vector or scalar.u = 3i - 2j, v = -9i + 7j; Find u - v.
A. 12i - 9j B. 10i + 5j C. 11i + 5j D. -6i + 5j
Mathematics